Annals & Magazine of Natural History

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Taylor & Francis, Limited, 1866 - Botany

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Page 228 - ... in the shape of long narrow bands of chitine. In this way the tube of suction can be made longer or shorter as required, and easily adjusted to the thickness of the skin in the particular place where the animal is sucking, whereby access to the capillary system is secured at any part of the body. It is apparent, from the whole...
Page 386 - ... prevent this the stopper, whether of cork or glass, together with the neck of the bottle or jar, may be covered with a solution of paraffine or wax in turpentine or benzole, which should be applied only when the surfaces are quite dry and clean. The length of time that any specimen should remain in each of the solutions is usually indicated by their sinking to the bottom when saturated by it.
Page 74 - Giinther, who states in the preface to the first volume, covering the literature of 1864, that "the object of the Record is to give in an annual volume reports on, abstracts of, and an index to the various zoological publications which have appeared in the preceding year ; to acquaint zoologists with the progress of every branch of their science in all parts of the globe ; and to form a repertory which will retain its value for the student of future years.
Page 226 - ... shoemaker puts a small piece of gutta-percha into the back of an india-rubber shoe; as, however, the chitine is not very elastic, this band is rather thinner in the middle, in order that it may bend and fold a little when the skin is not extended by the lower lip. The latter consists, as usual, of...
Page vii - THE BRITISH REPTILES: A Plain and Easy Account of the Lizards, Snakes, Newts, Toads, Frogs, and Tortoises indigenous to Great Britain.
Page 228 - It is apparent, from the whole sttucture of the instrument, that it is by no means calculated for being used as a sting, but is rather to be compared to a delicate elastic probe, in the use of which the terminal lobes probably serve as feelers. As soon as the capillary system is reached, the blood will at once...
Page 278 - Gabb, the palzeontologist to the California State Survey. Although resembling Purpura aperta and congeners in the irregular rugose folds of the labium, and Siphonalia in the strongly bent canal, Mr. H. Adams considers that its affinities are closest with the Cantharus group of Pisania. That genus is extremely abundant in the tropical fauna, but does not now live in California. It is the only distinctly tropical shell in the whole collection ; and its presence, along with so many boreal species and...
Page 386 - ... and bright, and put up in a cabinet, when no further change will be necessary if the bottle or other vessel be properly secured to prevent the escape of the fluid by crystallization around the opening. To prevent this the stopper, whether of cork or glass, together with the neck of the bottle...
Page 375 - ... usually bears a pair of appendages. They are aquatic in their habits. The Arachnida, or spiders, possess four pairs of legs ; the body is divided into two parts, the cephalothorax and abdomen. The segments composing the abdomen bear no appendages. Spiders are aerial in their habits. The Myriapoda, or centipedes, have a long body consisting of numerous segments, each of which bears a pair of legs. The Insecta, or insects, have three pairs of legs. They are aerial in habits, and breathe by means...
Page 226 - Rhynchota generally in the circumstance that the labium is capable of being retracted into the upper part of the head, which therefore presents a little fold which is extended when the labium is protruded. In order to strengthen this part, a flat band of chitine is placed on the under surface, just as...

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